Tree-ring estimates of Pacific decadal climate variability

D’Arrigo, R.; Villalba, Ricardo; Wiles, Gregory C.

doi:10.1007/s003820100177

Cited by 259 publications

(251 citation statements)

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“…Variations in the PDO correspond to decadal variability generated by ocean-atmosphere processes within the equatorial Pacific (Kirtman and Schopf 1998;Timmermann and Jin 2002). The mid-1940s shift in PDO polarity has been linked to decadal scale changes in a broad range of instrumental and proxy data (Mantua et al 1997;Zhang et al 1998;Minobe and Mantua 1999;Biondi et al 2001;D'Arrigo et al 2001) but not specifically in the equatorial Pacific. Our Fanning Island D 14 C record suggests that there is a link between the PDO shift in the 1940s and a shift in the water masses arriving in the central equatorial Pacific at that time.…”

Section: Possible Trigger For the Shift In 14 Cmentioning

confidence: 99%

Decadal Timescale Shift in the ¹⁴C Record of a Central Equatorial Pacific Coral

Grottoli

Gille²,

Druffel³

et al. 2003

Radiocarbon

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ABSTRACT. Coral skeletal radiocarbon records reflect seawater D 14 C and are useful for reconstructing the history of water mass movement and ventilation in the tropical oceans. Here, we reconstructed the inter-annual variability in central equatorial Pacific surface water D 14 C from 1922-1956 using near-monthly 14 C measurements in a Porites sp. coral skeleton (FI5A) from the windward side of Fanning Island (3°54¢32²N, 159°18¢88²W). The most pronounced feature in this record is a large, positive shift in the D 14 C between 1947 and 1956 that coincides with the switch of the Pacific Decadal Oscillation (PDO) from a positive to a negative phase in the mid-1940s. Although the absolute D 14 C values from 1950-1955 in FI5A differ from the D 14 C values of another coral core collected from the opposite side of the island, both records show a large, positive shift in their D 14 C records at that time. The relative increase in the D 14 C of each record is consistent with the premise that a common mechanism is controlling the D 14 C records within each coral record. Overall, the Fanning D 14 C data support the notion that a significant amount of subtropical seawater is arriving at the Equator, but does not allow us to determine the mechanism for its transport.

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Section: Possible Trigger For the Shift In 14 Cmentioning

confidence: 99%

Decadal Timescale Shift in the ¹⁴C Record of a Central Equatorial Pacific Coral

Grottoli

Gille²,

Druffel³

et al. 2003

Radiocarbon

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“…research [9,17,33,47,51,52]. Pearson correlation analysis was used to detect linear correlations in the time series variability.…”

Section: Morlet Wavelet and Discrete Fourier Transform Spectrum Analysismentioning

confidence: 99%

“…The variation was commonly monitored through indices constructed from SST and air pressure at sea level [42,43]. It was also detected by tree rings [14,16,17,35]. Until the present time, temperature reconstruction by tree rings was an essential approach for historical climate study [5,23,34,64].…”

Section: Introductionmentioning

confidence: 99%

Impact de l’activité solaire, anomalie globale de température de l’air et oscillation décadaire pacifique sur les cernes d’arbres en milieu urbain

Chen

et al. 2007

Ann. For. Sci.

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-A tree ring width chronology developed from 58 samples taken from Chinese pine trees (Pinus tabulaeformis Carr.) growing in Shenyang city was studied to analyze the effects of solar activity, Global Surface Air Temperature Anomalies (GSATA) and the Pacific Decadal Oscillation (PDO) on annual radial growth. An excellent response of tree rings to solar activity and global environmental change was revealed, indicating that these urban Chinese pine trees are a suitable proxy for Sun-Earth system research despite their location in Shenyang, an industrial city. The information derived from annual growth rings of urban Chinese pine trees coincides with records from undisturbed trees in a natural location, and demonstrates significant synchronous response to solar activity in the periodic bands of 5-8, 10-12 and 20-30 years. The wave signal of tree growth was also affected and amplified by the combined effect of the PDO from 1900 to 2004 and GSATA from 1880 to 2004 with a short lag time, revealing 5-8, 11-13, and 20-23 year oscillatory modes. At 20-30 year timescale, Chinese pines validated the strong GSATA influence signal at 20.8 years, and may be the primary cause of the 20 and 23 year periodic waves of tree rings. Shenyang urban tree ring growth also showed high frequency variation (2-4 y) that may be due to low periodicity of solar activity, GSATA, PDO and local climate variations, especially in the 2-4 years band width.urban tree rings / sunspot number / Pacific decadal oscillation / global surface air temperature anomaly / wavelet analysis

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“…This annually resolved time series extends over the 434-year period from 1557 to 1997 and is correlated with the warm season, April to September, surface temperatures of Hokkaido (Davi et al, 2002). This time series is of particular interest as it represents the few such paleoclimate data sets in the Northwest Pacific Ocean region (D'Arrigo et al, 2001). As such, it can provide information on climate variability in this important region both during the instrumental period, where data in the region is limited, as well as throughout its entire period.…”

Section: Tree-ring Time Series (Trd)mentioning

confidence: 99%

A seasonally lagged signal of the North Atlantic Oscillation (NAO) in the North Pacific

Hong-yan

Moore

2006

Intl Journal of Climatology

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The North Atlantic Oscillation (NAO) has been identified as an important mode of variability in the climate system. However, little is known about its impact on the climate of the North Pacific region. In this paper, we discuss the existence of a seasonally lagged signal of the NAO in the North Pacific region. In particular, we show that the spring sea-level pressures (SLPs) and surface temperatures in the region are positively correlated with the characteristics of the NAO during the preceding winter. This signal is identified in a number of long-term climate data sets including a Japanese tree-ring time series that has been shown to be a proxy for spring temperatures in the North Pacific region. We identify two distinct mechanisms responsible for this lagged signal: one involving sea-surface temperature anomalies in the North Pacific and the other involving Eurasian snow anomalies. We show that both these anomalies develop during the winter and persist into spring, resulting in the observed lagged response.

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Tree-ring estimates of Pacific decadal climate variability

Cited by 259 publications

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Decadal Timescale Shift in the ¹⁴C Record of a Central Equatorial Pacific Coral

Decadal Timescale Shift in the ¹⁴C Record of a Central Equatorial Pacific Coral

Impact de l’activité solaire, anomalie globale de température de l’air et oscillation décadaire pacifique sur les cernes d’arbres en milieu urbain

A seasonally lagged signal of the North Atlantic Oscillation (NAO) in the North Pacific

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Tree-ring estimates of Pacific decadal climate variability

Cited by 259 publications

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Decadal Timescale Shift in the 14C Record of a Central Equatorial Pacific Coral

Decadal Timescale Shift in the 14C Record of a Central Equatorial Pacific Coral

Impact de l’activité solaire, anomalie globale de température de l’air et oscillation décadaire pacifique sur les cernes d’arbres en milieu urbain

A seasonally lagged signal of the North Atlantic Oscillation (NAO) in the North Pacific

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Decadal Timescale Shift in the ¹⁴C Record of a Central Equatorial Pacific Coral

Decadal Timescale Shift in the ¹⁴C Record of a Central Equatorial Pacific Coral